Redescription of Caligus serratus Shiino, 1965 (Copepoda: Caligidae) parasitic on eleven fish species from Chamela Bay in the Mexican Pacific

Morales-Serna, Francisco Neptalí; Hernández-Inda, Zaira L.; Gómez, Samuel; León, Gerardo Pérez‐Ponce de

doi:10.2478/s11686-013-0150-x

Cited by 6 publications

(2 citation statements)

References 6 publications

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“…Genomic DNA was extracted from single specimens using the salting-out technique (extraction of DNA with salts). Given that there is almost no information on the family Pennellidae in the GenBank database, polymerase chain reaction (PCR) was performed targeting two genes: the D1-D2 regions of the large subunit of the 28S rRNA gene and the mitochondrial cytochrome c oxidase subunit I (COI) gene, both of which have been used in phylogenetic studies on Caligidae (Oines and Heuch 2005, Oines and Schram 2008, Song et al 2008, Morales-Serna et al 2013. These genes were chosen to obtain an approximation at the family or genus (or even the species) level using the 28S gene; the COI gene was used to perform specific identification (species level) or separation of species.…”

Section: Molecular Analysesmentioning

confidence: 99%

Parasite richness in fish larvae from the nearshore waters of central and northern Chile

Muñoz

Landaeta

Palacios-Fuentes

et al. 2015

Folia Parasitologica

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In the present study, we determine the presence of parasites in fish larvae collected from nearshore waters along the northern and central coast of Chile. The parasites were identified to the lowest possible taxonomic level based on morphological and molecular analyses. The fish sample was composed of 5 574 fish larvae. Of these, 3% harboured only larval ectoparasitic copepods whereas no endoparasites were found in the 1 141 fish evaluated for this group of parasites. The parasitic copepods collected were initially classified as 'morphotypes' according to differences in morphological characteristics. They were then analysed using molecular techniques based on the 28S and COI genes. Seven morphotypes of parasitic copepods (mostly at chalimus stages) were recognised: two of the morphotypes belonged to Pennellidae Burmeister, 1835, three to Caligidae Burmeister, 1835 and two were not identified. Only five morphotypes of copepods were analysed using molecular sequences, which confirmed the existence of six species: two pennellids of the genus Trifur Wilson, 1917 and two caligids of the genus Caligus Müller, 1785, plus two additional species that were morphologically different from these taxa. The pennellids were present in several fish species, being generally more prevalent than the caligids, in both the central and northern localities of Chile. Multispecies infections in larval fish were infrequent (< 1%). We conclude that fish larvae were rich in parasites, considering that these hosts exhibited small body sizes and were very young. We suggest that fish larvae could play a role, as intermediate hosts, in the life cycle of the parasitic copepods found.

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Section: Molecular Analysesmentioning

confidence: 99%

Parasite richness in fish larvae from the nearshore waters of central and northern Chile

Muñoz

Landaeta

Palacios-Fuentes

et al. 2015

Folia Parasitologica

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“…The marine biodiversity of Bahía de Chamela has been documented in a series of papers in the last decade: macroinvertebrates ( López-Uriarte et al 2009 ), hermit crabs ( Bastida-Izaguirre et al 2013 ), parasitic copepods ( Morales-Serna et al 2013 ), mud shrimps ( Ayón-Parente et al 2013 ), caprellid shrimps ( Galván-Villa and Ayón-Parente 2015 ), caridean shrimps ( Ayón-Parente et al 2016 ), echinoderms ( Ríos-Jara et al 2013 , Galván-Villa et al 2018 , Solís-Marín et al 2018 ), lancelets ( Galván-Villa et al 2017 ) and fishes ( Galván-Villa et al 2016 ). However, only three species of polychaete worms have been reported in Bahía de Chamela: the acoetid Polyodontes lupinus ( Treadwell 1941 , Pettibone 1989 ), the serpulid Spirobranchus sp.…”

Section: Introductionmentioning

confidence: 99%

Tubicolous polychaete worms (Annelida) from Bahía de Chamela Islands Sanctuary, Mexico, with the description of a new bamboo worm

Yáñez-Rivera¹,

Tovar‐Hernández²,

Galván‐Villa³

et al. 2020

BDJ

585

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The islands and islets of Bahía de Chamela, in the Eastern Tropical Pacific, were declared as the first marine sanctuary in Mexico and has been protected since 2002. Their marine biodiversity has been documented in a series of papers in the last decade, but only three species of polychaete worms have been reported. Sixteen species of sedentary polychaete worms belonging to the families Maldanidae, Oweniidae, Sabellariidae, Sabellidae and Serpulidae are reported to the Bahía de Chamela Islands Sanctuary, 15 of these species constituting the first records in the area. Isocirrus tropicus (Monro, 1928) (Monro 1928) and Notaulax californica (Treadwell, 1906) (Treadwell 1906) constitute new records to Mexico; Idanthyrsus mexicanus Kirtley, 1904 (Kirtley 1994) is first recorded since its description and one species of bamboo worm (Maldanidae) is described as new to science. The new species belongs to the genus Clymenura Verril, 1900 (Verrill 1900) and its characterised by the presence of a glandular shield on chaetiger 8; a cephalic plaque oval with smooth margins and a rounded palpode; nuchal organs straight, parallel, almost full length of plaque; manubriavicular uncini present from chaetiger 1 with 3–4 teeth above the main fang without hairs or bristles; two pre-anal achaetous segments with tori; an anal funnel with alternating triangular cirri, being the longest that are located mid-ventrally.

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Caligus fajerae n. sp. (Copepoda: Caligidae) parasitic on the Pacific sierra Scomberomurus sierra Jordan & Starks (Actinopterygii: Scombridae) in the Pacific Ocean off Mexico

2017

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A new species of parasitic copepod, Caligus fajerae n. sp. (Caligidae), is described from Scomberomorus sierra Jordan & Starks (Scombridae) caught off the northwestern coast of Mexico. The new species morphologically resembles Caligus cybii Bassett-Smith, 1898, Caligus kanagurta Pillai, 1961, Caligus pelamydis Krøyer, 1863 and Caligus robustus Bassett-Smith, 1898, all of which have been reported from scombrid hosts. Caligus fajerae n. sp. differs from these species by having spinules on the abdomen and caudal ramus, two processes on the proximal antennulary segment, fine striations on the claw of the antenna and maxilliped, a stouter and more recurved maxillulary dentiform process, shorter tines on the sternal furca, two additional patches of spinules on the distal endopodal segment of leg 2, a sclerotised lobe on the anteromedian surface of the leg 3 protopod and serrations on both margins of the first exopodal spine of leg 3. Analysis of the DNA sequences of the mitochondrial cytochrome c oxidase subunit 1 gene for Caligus fajerae n. sp. and 28 congeners, including C. pelamydis and C. robustus, showed that the new species grouped with Caligus belones Krøyer, 1863 (with 20% divergence), a species known to occur predominantly on needlefishes. Caligus fajerae n. sp. is the fifth species of Caligus reported from S. sierra. An updated host-parasite list for Caligus spp. on scombrids is provided.

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Redescription of Caligus serratus Shiino, 1965 (Copepoda: Caligidae) parasitic on eleven fish species from Chamela Bay in the Mexican Pacific

Cited by 6 publications

References 6 publications

Parasite richness in fish larvae from the nearshore waters of central and northern Chile

Parasite richness in fish larvae from the nearshore waters of central and northern Chile

Tubicolous polychaete worms (Annelida) from Bahía de Chamela Islands Sanctuary, Mexico, with the description of a new bamboo worm

Caligus fajerae n. sp. (Copepoda: Caligidae) parasitic on the Pacific sierra Scomberomurus sierra Jordan & Starks (Actinopterygii: Scombridae) in the Pacific Ocean off Mexico

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